diff --git a/macros.ldc b/macros.ldc
index 60132c6..076cf7d 100644
--- a/macros.ldc
+++ b/macros.ldc
@@ -4,6 +4,6 @@
 # Include directory where all .di or .d file are installed.
 %_d_includedir %{_includedir}/d
 # Compile options for ldc and make file
-%_d_optflags -release -w -g -O2
+%_d_optflags -release -w -g -O3
 # Lib directory path
-%_d_libdir %{_libdir}/d
+%_d_libdir %{_libdir}/d/